water systems vocabulary

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Across
  1. 1. someone how tests water
  2. 4. water on the ground
  3. 6. its around the world
  4. 8. all the water in the world
  5. 9. where all the water is led to the large area of water
  6. 11. the earth is dying because _________
Down
  1. 2. the crust of the earth
  2. 3. the cycle of water
  3. 4. a cunk of ice
  4. 5. a liquid
  5. 7. where the river flows
  6. 10. the saltiness of water